116 lines
3.6 KiB
Plaintext
116 lines
3.6 KiB
Plaintext
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.\" $XFree86$
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'\" te
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'\"! tbl|eqn | mmdoc
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'\"macro stdmacro
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.ds Vn Version 1.2
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.ds Dt 24 September 1999
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.ds Re Release 1.2.1
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.ds Dp Jan 14 18:30
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.ds Dm 01 enablecli
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.ds Xs 64367 6 enableclientstate.gl
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.TH GLENABLECLIENTSTATE 3G
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.SH NAME
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.B "glEnableClientState, glDisableClientState
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\- enable or disable client-side capability
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.SH C SPECIFICATION
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void \f3glEnableClientState\fP(
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GLenum cap); \fI1.1\fP )
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.nf
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.fi
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.EN
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.SH PARAMETERS
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.TP \w'\f21.1\fP\ \ 'u
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\f21.1\fP
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Specifies the capability to enable.
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Symbolic constants
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\%\f3GL_COLOR_ARRAY\fP,
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\%\f3GL_EDGE_FLAG_ARRAY\fP,
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\%\f3GL_INDEX_ARRAY\fP,
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\%\f3GL_NORMAL_ARRAY\fP,
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\%\f3GL_TEXTURE_COORD_ARRAY\fP, and
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\%\f3GL_VERTEX_ARRAY\fP
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are accepted.
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.SH C SPECIFICATION
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void \f3glDisableClientState\fP(
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GLenum cap); \fI1.1\fP )
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.nf
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.fi
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.SH PARAMETERS
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.TP
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\f21.1\fP
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Specifies the capability to disable.
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.SH DESCRIPTION
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\%\f3glEnableClientState\fP and \%\f3glDisableClientState\fP
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enable or disable individual client-side capabilities. By default, all
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client-side capabilities are disabled.
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Both
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\%\f3glEnableClientState\fP and \%\f3glDisableClientState\fP take a
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single argument, \f21.1\fP, which can assume one of the following
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values:
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.TP 25
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\%\f3GL_COLOR_ARRAY\fP
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If enabled, the color array is enabled for writing and used during
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rendering when \%\f3glArrayElement\fP, \%\f3glDrawArrays\fP,
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\%\f3glDrawElement\fP, or \%\f3glDrawRangeElements\fP is called. See
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\%\f3glColorPointer\fP.
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.TP
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\%\f3GL_EDGE_FLAG_ARRAY\fP
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If enabled, the edge flag array is enabled for writing and used during
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rendering when \%\f3glArrayElement\fP, \%\f3glDrawArrays\fP,
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\%\f3glDrawElement\fP, or \%\f3glDrawRangeElements\fP is called. See
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\%\f3glEdgeFlagPointer\fP.
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.TP
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\%\f3GL_INDEX_ARRAY\fP
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If enabled, the index array is enabled for writing and used during
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rendering when \%\f3glArrayElement\fP, \%\f3glDrawArrays\fP,
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\%\f3glDrawElement\fP, or \%\f3glDrawRangeElements\fP is called. See
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\%\f3glIndexPointer\fP.
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.TP
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\%\f3GL_NORMAL_ARRAY\fP
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If enabled, the normal array is enabled for writing and used during
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rendering when \%\f3glArrayElement\fP, \%\f3glDrawArrays\fP,
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\%\f3glDrawElement\fP, or \%\f3glDrawRangeElements\fP is called. See
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\%\f3glNormalPointer\fP.
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.TP
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\%\f3GL_TEXTURE_COORD_ARRAY\fP
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If enabled, the texture coordinate array is enabled for writing and used during
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rendering when \%\f3glArrayElement\fP, \%\f3glDrawArrays\fP,
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\%\f3glDrawElement\fP, or \%\f3glDrawRangeElements\fP is called. See
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\%\f3glTexCoordPointer\fP.
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.TP
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\%\f3GL_VERTEX_ARRAY\fP
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If enabled, the vertex array is enabled for writing and used during
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rendering when \%\f3glArrayElement\fP, \%\f3glDrawArrays\fP,
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\%\f3glDrawElement\fP, or \%\f3glDrawRangeElements\fP is called. See
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\%\f3glVertexPointer\fP.
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.SH NOTES
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\%\f3glEnableClientState\fP is available only if the GL version is 1.1 or greater.
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.P
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If \%\f3GL_ARB_multitexture\fP is supported, enabling and disabling
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\%\f3GL_TEXTURE_COORD_ARRAY\fP affects the active client texture unit.
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The active client texture unit is controlled with
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\%\f3glClientActiveTextureARB\fP.
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.SH ERRORS
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\%\f3GL_INVALID_ENUM\fP is generated if \f21.1\fP is not an accepted value.
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.P
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\%\f3glEnableClientState\fP is not allowed between the execution of \%\f3glBegin\fP and the
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corresponding \%\f3glEnd\fP, but an error may or may not be generated. If
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no error is generated, the behavior is undefined.
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.SH SEE ALSO
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\%\f3glArrayElement(3G)\fP,
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\%\f3glClientActiveTextureARB(3G)\fP,
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\%\f3glColorPointer(3G)\fP,
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\%\f3glDrawArrays(3G)\fP,
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\%\f3glDrawElements(3G)\fP,
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\%\f3glEdgeFlagPointer(3G)\fP,
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\%\f3glEnable(3G)\fP,
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\%\f3glGetPointerv(3G)\fP,
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\%\f3glIndexPointer(3G)\fP,
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\%\f3glInterleavedArrays(3G)\fP,
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\%\f3glNormalPointer(3G)\fP,
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\%\f3glTexCoordPointer(3G)\fP,
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\%\f3glVertexPointer(3G)\fP
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